Is pencil lead a compound?
Understand the Problem
The question is asking whether pencil lead, which is commonly made of graphite, can be classified as a compound or not. This involves understanding the chemical composition of pencil lead and the definition of a compound.
Answer
Mixture
Pencil lead is a mixture because it is composed of graphite and various binders such as clay.
Answer for screen readers
Pencil lead is a mixture because it is composed of graphite and various binders such as clay.
More Information
Pencil lead is a combination of graphite (carbon) and clay, which enhances its properties for writing.
Tips
A common mistake is to think that pencil 'lead' is made of the element lead (Pb), but it is actually made of graphite.
Sources
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